Vanco International | Evolution 2x1 HDMI® Switch with Multiview and PIP
HDMI Multiviewer Quad Screen with real time viewing and seamless switching
HDMI 2x1 multiviewer 4k 1080P dual port HDMI Seamlessly Switch multi-Viewer HDMI Screen Splitter with remote control - AliExpress
Amazon.com: HDMI Multi-Switcher 4X1, NIERBO HDMI Quad Multi-Viewer 4 in 1 Out HDMI Switcher 1080P HDMI Seamless IR Control 3D Support 5 Modes for PC/STB/DVD : Electronics
Ultra HD 4K Multi-Viewer 2x1 HDMI Seamless Video Switch(UHD-201MV) | OREI
Evolution 2×1 HDMI Switch w/ Multiview and PIP
Ultra HD 4K Multi-Viewer 2x1 HDMI Seamless Video Switch(UHD-201MV) | OREI
A33D HDMI 2X1 Quad Screen Multi-Viewer Splitter Seamless Switcher Pip & Pop | eBay
HDMI MultiViewer 2X1 with PIP HDMI Screen splitter Scaler 1X2 with RS232 control to support 1080p _ - AliExpress Mobile
A33D HDMI 2X1 Quad Screen Multi-Viewer Splitter Seamless Switcher Pip & Pop | eBay